Play Famicom games on your NES!
Simply place your favorite Famicom cartridge into the adapter and insert the adapter in your NES console or NES-compatible console.
If you are not using a North American NES and the game does not start when you press the power button, press the reset button 4-8 times until the game plays.
Frontloader and Toploader Model with external shell.
TopLoader Only Model with a bare PCB.